How To Solve xvidcore.dll Not Found Error In Microsoft Windows Vista EnvironmentComing directly to the topic of this post, It’s on solving the error m

Coming directly to the topic of this post, It’s on solving the error message “xvidcore.dll not found” appearing on Microsoft Windows Vista PC. I am writing the solution to this problem as it occured on my Dell Vostro 400 PC loaded with Vista OS and I solved it. Thought of sharing as it may help you in saving some of your time.

Some particulars of this “xvidcore.dll” not found error:

The error “xvidcore.dll not found” was popping up when I was exploring a folder with video file/s (any format – .avi, .mpeg and .flv). When the video files were more, the error kept popping up again and again. Quite annoying as I had to click on OK multiple times to close these popups. I had no problem in playing any of these video files with video players.

Now, this xvidcore.dll error started popping up suddenly and it was not appearing from the day I started using my PC, i.e., more than one and half years back. I am still wondering why it started bothering me as I never installed anything relevant to xvid (Codec – Code/Decode Or Compressor/Decompressor for video files) on my PC. May be it was in built into some other application.

I searched for xvidcore.dll using the Windows Vista Search feature (including the search for hidden files) but as expected it couldn’t be found. The search window showing xvidcore.dll not found on my Vista PC is shown next:

xvidcore.dll not found in Windows Vista Search

I did a google search for the error “xvidcore.dll not found error” and found that I need to install Xvid codec from xvid.org. I downloaded Xvid-1.2.1 codec for Windows Vista from:
http://www.koepi.info/Xvid-1.2.1-04122008.exe
(Explanation to some of you who are wondering about the URL change from xvid.org to koepi.info. Clicking on “Xvid for Windows” hyperlink at the URL: http://www.xvid.org/Downloads.15.0.html leads to the URL – http://www.koepi.info/xvid.html with page having Download link for Xvid 1.2.1 codec).
I downloaded the xvid codec setup file and installed it choosing the Windows XP compatibility mode as shown below:

Setting Up XP Compatibility Mode For Xvid 1.2.1 Codec In Windows Vista Business

After successful installation of Xvid codec, I once again explored the folder with the video files and wow there was no popup of “xvidcore.dll not found” error. Oh! what a relief from the “xvidcore.dll not found” bugging popups. Well, I searched again for “xvidcore.dll” on my computer and found that the file was now happily there along with some other files relevant to xvid in the C:\Windows\System32 folder.
The screenshots shows the start of installation of xvid, its finish and location of xvidcore.dll file as found by Vista Search after xvid codec installation:

$Location of xvidcore.dll file in C:\Windows\System32 folder$
Now, if you too are facing the error of “xvidcore.dll not found” (sorry for repeating it numerous times), then you can use the procedure in this post to save your time.

Let me know if I explained the steps well and did this post was of any use to you.

So bye to “xvidcore.dll not found” error message and welcome to your comments!